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As stars like the Sun exhaust their hydrogen, they begin to expand and cool, transforming into red giants. For the Sun, this dramatic change is expected in around five billion years. Scientists believe this expansion could destroy Mercury,…
As the world grapples with the challenges of meeting rising electricity demand, particularly in developing countries, solar energy has emerged as a beacon of hope. In sub-Saharan…
While some black holes graze lightly, others devour their meals. In 2018, sky surveys picked up an outburst that brightened by a factor of 40 within a few months and, at its peak, shone with the light of about ten trillion suns.
When you’re waiting for a pot of water to heat up on the stove, tiny bubbles are the first sign it’s getting ready to boil. As the water gets hotter, the bubbles get bigger, until a rolling boil signals the water has reached 212 degrees…
